Three Masses Are Located as Follows: a 3

question 39

Multiple Choice

Three masses are located as follows: a 3.0-kg mass is at the origin, a 4.5-kg mass at (0.0 m, 4.0 m) , and a 2.5-kg mass at (3.0 m, 0.0 m) . What is the gravitational energy of the system of masses?
G = 6.67 x 10^-11 N·m²/kg².

• A) -3.8 × 10^-10 J
• B) -3.9 × 10^-10 J
• C) -5.4 × 10^-10 J
• D) -3.2 × 10^-10 J
• E) -3.5 × 10^-10 J

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